condition mean min max 12pM Fe,Midday 54.0543 54.0543 54.0543 12pM Fe,Midnight 31.82095 30.2693 33.3726 58pM Fe,Midday 68.3901 68.3901 68.3901 58pM Fe,Midnight 38.305885714285715 0.0 51.0669 233pM Fe,Midnight 105.721 100.533 109.925 1160pM Fe,Midday 26.4341 23.2564 34.9675 1160pM Fe,Midnight 173.95933333333335 120.518 235.047 High carbon,Dark 202.64984666666666 46.1791 389.848 High carbon,Light 151.8904246153846 3.97582 393.677 Low carbon,Dark 71.9383 71.9383 71.9383 Phloroglucinol 61.12956666666667 26.5971 82.3039 Silicon starvation,12h 140.695 140.695 140.695